343, Blackfen Road, Sidcup occupies a 248 m² plot as recorded by HM Land Registry.

Of the 32 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 25th largest.

343, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 24 May 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

343, Blackfen Road, Sidcup last changed hands on 18th February 2020, selling for £282,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 27.8% since February 2020.

• Sold Feb 2020£282,000

Land Registry records and our Estate Agent network show 256 sales of comparable properties within 490 metres of 343, Blackfen Road, Sidcup since 2022.

Most recently, 30, Maple Crescent, Sidcup, DA15 9LT, a freehold house, sold at £400,000 on the 24th April 2026.

Read more about house prices in DA15.

• Sold Apr 2026£400,000 | 2 Bed House30, Maple Crescent, Sidcup, DA15 9LT30, Maple Crescent, Sidcup, DA15 9LT
• Sold Apr 2026£360,000 | 2 Bed House17, Maple Crescent, Sidcup, DA15 9LT17, Maple Crescent, Sidcup, DA15 9LT
• Sold Mar 2026£400,000 | 3 Bed House144, Burns Avenue, Sidcup, DA15 9HR144, Burns Avenue, Sidcup, DA15 9HR
• Sold Dec 2025£400,000 | 3 Bed House350, Blackfen Road, Sidcup, DA15 9NY350, Blackfen Road, Sidcup, DA15 9NY
• Sold Nov 2025£340,000 | 3 Bed House370, Blackfen Road, Sidcup, DA15 9NY370, Blackfen Road, Sidcup, DA15 9NY
• Sold Nov 2025£425,000 | 2 Bed House69, Penshurst Avenue, Sidcup, DA15 9EZ69, Penshurst Avenue, Sidcup, DA15 9EZ
• Sold Oct 2025£370,000 | 3 Bed House54, Burns Avenue, Sidcup, DA15 9HP54, Burns Avenue, Sidcup, DA15 9HP
• Sold Oct 2025£417,000 | 3 Bed House52, Burns Avenue, Sidcup, DA15 9HP52, Burns Avenue, Sidcup, DA15 9HP
• Sold Aug 2025£410,000 | 3 Bed House31, Tyrrell Avenue, Welling, DA16 2BT31, Tyrrell Avenue, Welling, DA16 2BT
• Sold Aug 2025£400,000 | 3 Bed House91, Penshurst Avenue, Sidcup, DA15 9EZ91, Penshurst Avenue, Sidcup, DA15 9EZ
• Sold Mar 2025£385,000 | 3 Bed House39, Ramillies Road, Sidcup, DA15 9JA39, Ramillies Road, Sidcup, DA15 9JA
• Sold Mar 2025£385,000 | 3 Bed House34, Tyrrell Avenue, Welling, DA16 2BU34, Tyrrell Avenue, Welling, DA16 2BU
• Sold Mar 2025£408,000 | 3 Bed House56, Tyrrell Avenue, Welling, DA16 2BU56, Tyrrell Avenue, Welling, DA16 2BU
• Sold Jan 2025£410,000 | 3 Bed House146, Burns Avenue, Sidcup, DA15 9HR146, Burns Avenue, Sidcup, DA15 9HR
• Sold Sep 2024£361,000 | 2 Bed House20, Ramillies Road, Sidcup, DA15 9HY20, Ramillies Road, Sidcup, DA15 9HY
• Sold Apr 2024£360,000 | 3 Bed House49, Wellan Close, Sidcup, DA15 9PN49, Wellan Close, Sidcup, DA15 9PN
• Sold Jan 2024£385,000 | 3 Bed House116, Burns Avenue, Sidcup, DA15 9HR116, Burns Avenue, Sidcup, DA15 9HR
• Sold Aug 2023£385,000 | 3 Bed House110, Burns Avenue, Sidcup, DA15 9HR110, Burns Avenue, Sidcup, DA15 9HR
• Sold Jul 2023£358,000 | 3 Bed House113, Penshurst Avenue, Sidcup, DA15 9EZ113, Penshurst Avenue, Sidcup, DA15 9EZ
• Sold Mar 2022£355,000 | 3 Bed House356, Blackfen Road, Sidcup, DA15 9NY356, Blackfen Road, Sidcup, DA15 9NY

Our analysis of the public data ranks 343, Blackfen Road, Sidcup as the 302nd largest and the 252nd most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.

Against the DA15 postcode district average, it is £111k less expensive than the typical property.

• Sherwood Park Primary School

  400 m away
• Days Lane Primary School

  800 m away
• Danson Primary School

  800 m away

• Blackfen School for Girls

  200 m away
• Bexley Grammar School

  700 m away
• Hurstmere School

  1.3 km away

• Welling

  |

  1.7 km away
• Sidcup

  |

  1.8 km away
• Albany Park

  |

  2.0 km away

Environment Agency data suggests this area has a Very Low risk of flooding.